Appt SE, Clarkson TB, Lees CJ, Anthony MS. Low dose estrogens inhibit coronary artery atherosclerosis in postmenopausal monkeys. Maturitas. 2006 Sep 20;55(2):187-94.
Clarkson TB, Anthony MS, Cline JM, Lees CJ, Ederveen AG. Multisystem evaluations of the long-term effects of tibolone on postmenopausal monkeys. Maturitas. 2004 Aug 30;48(Suppl 1):24-9. doi: 10.1016/j.maturitas.2004.02.011